dl4728 thru dl476 1 1 watt zener diode 3.3 to 75 volts features x high reliability x very sharp reverse characteristic x low reverse current level maximum ratings x operating temperature: -65 : to +175 : x storage temperature: -65 : to +175 : x 1 watt dc power dissipation x maximum thermal resistance: 100k/w junction to ambient test conditions: i = 9.5mm(3/8?),t l = constant x maximum forward voltage @ 200ma: 1.2 volts figure 2 - derating curve power dissipation (w) - versus - temperature : temperature : 25 100 150 200 w 0.5 1.0 typical temperature coefficient (mv/ : ) ? versus ? zener voltage (v z ) figure 1 - typical temperature coefficient 0 20 40 0 20 40 mv/ : v z omp onents 20736 marilla street chatsworth !"# $ % !"# m c c glass melf suggested solder pad layout inches mm dim min max min max note a .190 .205 4.80 5.20 b --- .022 --- .55 nominal c .095 .105 2.40 2.67 ? a b c cathode mark .210? .035? .115? revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 1 of 3 lead free finish/rohs compliant(note 1) ("p" suffix designates rohs compliant. see ordering information) notes: 1. lead in glass exemption applied, see eu directive annex notes 5. moisture sensitivity level 1
electrical characteristics @25 c mcc part number zener voltage v z test current i zt maximum dynamic impedance z zt @ i zt maximum reverse current i r @ v r test voltage v r maximum regulator current izm ta = 50 c maximum knee impedance z zk @ i zk test current i zk maximum surge current i s volts ma ohms m a volts ma ohms ma ma dl4728 3.3 76 10 100 1 276 400 1.0 1280 dl4729 3.6 69 10 100 1 252 400 1.0 1260 dl4730 3.9 64 9 50 1 234 400 1.0 1190 dl4731 4.3 58 9 10 1 217 400 1.0 1070 dl4732 4.7 53 8 10 1 193 500 1.0 970 dl4733 5.1 49 7 10 1 178 550 1.0 890 dl4734 5.6 45 5 10 2 162 600 1.0 810 dl4735 6.2 41 2 10 3 146 700 1.0 730 dl4736 6.8 37 3.5 10 4 133 700 1.0 660 dl4737 7.5 34 4.0 10 5 121 700 0.5 605 dl4738 8.2 31 4.5 10 6 110 700 0.5 550 dl4739 9.1 28 5.0 10 7 100 700 0.5 500 dl4740 10 25 7 10 7.6 91 700 0.25 454 dl4741 11 23 8 5 8.4 83 700 0.25 414 dl4742 12 21 9 5 9.1 76 700 0.25 380 dl4743 13 19 10 5 9.9 69 700 0.25 344 dl4744 15 17 14 5 11.4 61 700 0.25 304 dl4745 16 15.5 16 5 12.2 57 700 0.25 285 dl4746 18 14 20 5 13.7 50 750 0.25 250 dl4747 20 12.5 22 5 15.2 45 750 0.25 225 dl4748 22 11.5 23 5 16.7 41 750 0.25 205 dl4749 24 10.5 25 5 18.2 38 750 0.25 190 dl4750 27 9.5 35 5 20.6 34 750 0.25 170 dl4751 30 8.5 40 5 22.8 30 1000 0.25 150 dl4752 33 7.5 45 5 25.1 27 1000 0.25 135 dl4753 36 7.0 50 5 27.4 25 1000 0.25 125 dl4754 39 6.5 60 5 29.7 23 1000 0.25 115 dl4755 43 6.0 70 5 32.7 22 1500 0.25 110 dl4756 47 5.5 80 5 35.8 19 1500 0.25 95 dl4757 51 5.0 95 5 38.8 18 1500 0.25 90 dl4758 56 4.5 110 5 42.6 16 2000 0.25 80 dl4759 62 4.0 125 5 47.1 14 2000 0.25 70 dl4760 68 3.7 150 5 51.7 13 2000 0.25 65 dl4761 75 3.3 175 5 56.0 12 2000 0.25 60 note 1 the jedec type numbers shown have a 5% tolerance on nomi nal zener voltage. no suffix signifies 10% tolerance, a signifies 5% tolerance, c signifies 2% tolerance, and d signifies 1% tolerance. note 2 the zener impedance is derived from the 60hz ac voltage , which results when an ac current having an rms value equal to 10% of the dc zener current (izt or izk) is superim posed on izt or izk. zener impedance is measured at two points to insure a sharp knee on the breakdown curve and eliminate unstable un its. note 3 the reverse surge current is measured at 25 o c ambient using a 1/2 square wave or equivalent sine wave puls e 1/120 second duration superimposed on izt note 4 voltage measurements to be performed 90 seconds afte r application of dc current. dl4728 thru dl4761 revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 2 of 3 m c c
m c c revision: a 2011/01/01 tm micro commercial components www. mccsemi .com 3 of 3 3 device packing part number-tp tape&reel: 5kpcs/reel ordering information : *** i m p o r t a n t n o t ic e * ** m i c r o c o m m e r c i a l c o m p on e n ts c o r p . r e s e rve s t h e r i g h t t o m a k e c h a n g e s w i t ho u t f u r t h e r no t i c e t o a n y p r o d u c t h e r e i n t o m a k e c o rr e c t i o n s , m o d i f i c a t i o n s , e n h a n c e m e n t s , i m pr o v e m e n t s , o r o t h e r ch a n g e s . m i c r o c o m m e r c i a l c o mp o n e n ts c o r p . d o e s n o t a s s u m e a n y l i a b i l i t y a r i s i n g ou t o f t h e a p p l i c a t i on o r u s e o f a n y p r o d uc t d e sc r i be d h e r e i n ; n e i t h e r d o e s i t c o n v e y a n y li c e n s e un der i t s p a t e n t r i g h t s , n o r t h e r i g h t s o f o t h e r s . t h e u s e r o f pr o d uc t s i n s u c h a p p l i c a t i o n s sh a l l a ss u m e a l l r i s k s o f su c h u s e a n d w ill a g r ee t o h o l d m i c r o c o mm er c i a l c o m p o n e n t s c o r p . a n d a ll t h e c o m p a n i e s w ho s e p r o d u c t s a r e r e p r e s e n t ed o n ou r w e b s i t e , h a r m l e s s a g a i n s t a l l d a m a g e s. * * * l i f e s u p p o r t *** m c c ' s pr o d uc t s a r e n o t a u t h o r iz ed f o r u s e a s c r i t i c a l c o m p o n e n t s i n l i f e s u pp o r t d e v i c e s o r s y s t e m s w i t h ou t t h e e x pre ss wr i tt e n a p p r o v a l o f m i c r o c o mm e r c i a l c o m p o n e n t s c o rp o r a t i o n. * * * c u s t o m e r a w a r e n e ss*** c o un t e r f e i t i n g o f s e m i c o n d u c t o r p a r t s i s a gr o w i n g p r o b l e m i n t h e i n d u s t ry . m i c r o c o mm e r c i a l c o m p o n e n t s ( m cc ) i s t a k i n g s t r o n g m e a su r e s t o p r o t e c t ou r s e l v e s a n d o u r cu s t o m e r s f r o m t h e pr o l i f e r a t i on o f c o u n t e r f e i t p a r t s . m c c s t r o n g l y e nc o u r a g e s c u s t o m e r s t o p u r c h a s e m c c p a r t s e i t h e r d i r e c t l y f r o m m c c o r f r o m a u t ho r i z e d m c c d i s t r i b u t o r s w ho a r e l i s t e d b y c o u n t r y o n o u r w e b p a g e c i t ed below . p r o d uc t s c us t o m e r s b u y e i t h e r f r o m m c c d i r e c t l y o r f r o m a u t ho r i z e d m cc d i s t r i b u t o r s a r e g e n u i n e p a r t s , h a v e f ul l t r a c e a b il i t y , m e e t m c c ' s q u a l i t y s t a n d a r d s f o r h a n d li n g a n d s t o r a g e . m c c wi l l n o t p r o v i d e a n y w a rr a n ty c o v e r a g e o r o t h e r a s s i s t a n c e f o r p a r ts b o u g h t f r o m u n a u t h o r i z e d s o u r c e s. m c c i s c o m m i t t e d t o c o m b a t t h i s g l o b a l pr o b l e m a n d e n c ou r a g e o u r c u s t o m e r s t o d o t h e i r p a r t in s t o p p i n g t h i s p r a c t i c e b y b u y i n g d i r e c t o r f r o m a u t h o r i z ed d i s t r i b u t o r s.
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